Design and Simulation of Magnetic Conductors to Enhance Features of Satellite Antennas and to Reduce Effects of Space Radiation

To improve the performance of satellite antennas, use of a high-impedance surface is purposed. High impedance surfaces are known as artificial magnetic conductors. The designed magnetic conductor includes an array of a Jerusalem Cross frequency selective surface which is connected to the ground via four pins. All conducting parts are made of Aluminum.The dielectric is Arlon AD 270 that fills the space between the ground and the JC frequency selective surface. The dielectric is made of fiberglass reinforced by Polytetrafluorethylene (PTFE). In 4.73GHz and 7.43GHz, structure operatesas a magnetic conductor.Using computer simulations, this structure is compared with a widely used artificial magnetic conductor. Aluminum and polymer chain of Carbon and Fluorine are composed of light elements, therefore using this material in antenna structure not only can improve specification of antenna but also can reduce cosmic ray effects.
Journal of Space Science & Technology, Volume:6 Issue: 3, 2013
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